From a5996718f3517e29883cdb853608d452364de49a Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Thu, 7 May 2026 00:17:46 +0900
Subject: pathname: SEPARATOR_PAT is no longer used

---
 pathname_builtin.rb | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/pathname_builtin.rb b/pathname_builtin.rb
index f353e027b6..e8186c9e1d 100644
--- a/pathname_builtin.rb
+++ b/pathname_builtin.rb
@@ -298,18 +298,6 @@ class Pathname
     "#<#{self.class}:#{@path}>"
   end
 
-  if File::ALT_SEPARATOR
-    # Separator list string.
-    separator_list = Regexp.quote "#{File::ALT_SEPARATOR}#{File::SEPARATOR}"
-    # Regexp that matches a separator.
-    SEPARATOR_PAT = /[#{separator_list}]/
-  else
-    separator_list = Regexp.quote File::SEPARATOR
-    SEPARATOR_PAT = /#{separator_list}/
-  end
-  SEPARATOR_PAT.freeze
-  private_constant :SEPARATOR_PAT
-
   # Creates a full path, including any intermediate directories that don't yet
   # exist.
   #
-- 
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